Which of these statements is true? Check all that apply. CDs have a higher mean than digital. The range of digital is 800. The median of CDs is 400. Both have the same interquartile range. Both have the same median. Digital's mean is around 467.

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23-05-2020
Mathematics

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Which of these statements is true? Check all that apply. CDs have a higher mean than digital. The range of digital is 800. The median of CDs is 400. Both have the same interquartile range. Both have the same median. Digital's mean is around 467.

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fichoh fichoh · Answer 1 · 2020-05-25T03:28:59+02:00

Bar chart associated with the question is attached below

Answer:

Range of digital is 800

CDs have a higher mean than digital

Digital's mean is around 467.

Both have the same interquartile range

Step-by-step explanation:

CDs have a mean higher than digital

Range of digital is 800 (900 - 100 = 800)

Both have the same interquartile range

(Q3 - Q1)

DIGITAL :

(900+700+500+300+300+100)

700 - 300= 400

CDs:

(1000+800+800+600+400+200)

800 - 400= 400

Digital mean :

(900+700+500+300+300+100) / 6

2800/6 = 466.67 = 467

CD mean :

(1000+800+800+600+400+200) /6

=633.333

Median of CD:

1000+800+800+600+400+200

(800+600)/ 2 = 700

Median of Digital :

(500+300)/2 = 400

kaitlinsierras kaitlinsierras · Answer 2 · 2020-12-01T19:03:35+01:00

kaitlinsierras kaitlinsierras

01-12-2020

Answer:

A: CDs have a higher mean than digital.

B: The range of digital is 800.

D: Both have the same interquartile range.

F: Digital’s mean is around 467.

Step-by-step explanation:

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